Update README with library description

igerber · web-flow · commit d1306c4652ec · 2026-01-01T16:29:17.000-05:00
Added a brief description of the diff-diff library.
diff --git a/README.md b/README.md
@@ -1 +1,3 @@
-# diff-diff
+# diff-diff
+
+A library for computing difference in differences (diff-in-diff or DiD), a quasi-experimental method of statistical analysis.
